Malicious PDF — malware analysis report

Static analysis result for SHA-256 24a0047a615beb16…

MALICIOUS

PDF

57.3 KB Created: 2020-08-17 00:45:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96e6a55f6586485a831de9f2084c6981 SHA-1: 625eee95b1dbcffe2de0ae21b7739d960dfa616e SHA-256: 24a0047a615beb164b51e606cd28b8703affd26094e280653b3246c69130ba28
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that redirect to a known malicious domain, ttraff.com, disguised as a job application template. This indicates a phishing attempt to redirect users to malicious infrastructure. The PDF also hosts a large number of external links, many pointing to Shopify, suggesting a link farm for SEO poisoning or distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=cover+letter+template+for+medical+secretary
    • http://files.maquisprojects.com/uploads/1/3/0/8/130874433/dizipikugogijufenek.pdf
    • http://files.sirencovenantchurch.org/uploads/1/3/0/7/130776393/magetamokamum_paxuv_tajegonakotob.pdf
    • http://zugemune.cocrimeanalysis.org/uploads/1/3/0/8/130814526/4667793.pdf
    • http://files.girlbeyou.com/uploads/1/3/1/4/131453733/dafojoniju-manofepawulawi-sojipipopofo.pdf
    • https://cdn.shopify.com/s/files/1/0435/2265/4362/files/68207948774.pdf
    • https://cdn.shopify.com/s/files/1/0429/8443/9971/files/62012324028.pdf
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/dedexasabolifazewak.pdf
    • https://cdn.shopify.com/s/files/1/0437/8155/4325/files/77000517750.pdf
    • https://cdn.shopify.com/s/files/1/0432/3685/1874/files/xaxorexatedujo.pdf
    • https://cdn.shopify.com/s/files/1/0437/9423/5553/files/97130645870.pdf
    • https://cdn.shopify.com/s/files/1/0428/3033/2070/files/ceidg_wniosek_2020.pdf
    • https://cdn.shopify.com/s/files/1/0434/2795/4853/files/apache_score_2.pdf
    • https://cdn.shopify.com/s/files/1/0431/2429/3794/files/cambridge_primary_mathematics_1.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/zizitaguduna.pdf
    • https://cdn.shopify.com/s/files/1/0434/2143/4005/files/mogifaxudenepogife.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000093a6.bin
9b2fd6136856138dacc35ea8808e0991c5c14fead34589cd0de536dcac4f9890		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93A6 5168 bytes
font_01_sfnt_off0000a54d.bin
7a675d593cac9129ee846035692ed3f082d46211f84ac28dc4f94c3b5ea067a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA54D 10648 bytes
font_02_sfnt_off0000c990.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC990 4324 bytes

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